Weather on December 18 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
December 18th in Glacier Bay National Park (via Juneau, AK) typically brings cold winter weather, with average highs around 33°F and lows near 23°F. Over 55 years of records, the warmest December 18th was in 1993 (42°F average), while the coldest was 1990 (6°F) — a 36°F range across recorded history. Precipitation has occurred on 60% of recorded December 18th dates, with snow falling 35% of the time (heaviest snowfall: 6.1"). The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Glacier Bay? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 19°F | 8°F | 0" | 0" |
| 2024 | 25°F | 14°F | 0" | 0" |
| 2023 | 37°F | 26°F | 0" | 0" |
| 2022 | 18°F | 10°F | 0" | 0" |
| 2021 | 20°F | 8°F | 0" | 0" |
| 2020 | 42°F | 34°F | 0.23" | 0" |
| 2019 | 41°F | 37°F | 0.38" | 0" |
| 2018 | 43°F | 30°F | 0.79" | 0" |
| 2017 | 33°F | 23°F | 0" | 0" |
| 2016 | 37°F | 33°F | 1.5" | 0" |
| 2015 | 35°F | 29°F | 0" | 0.3" |
| 2014 | 39°F | 30°F | 0" | 0" |
| 2013 | 20°F | 5°F | 0" | 0" |
| 2012 | 18°F | 9°F | 0" | 0" |
| 2011 | 37°F | 32°F | 1.68" | 0" |
| 2010 | 20°F | 7°F | 0" | 0" |
| 2009 | 43°F | 24°F | 0.58" | 0.4" |
| 2008 | 19°F | 6°F | 0" | 0" |
| 2007 | 27°F | 19°F | 0.1" | 1.2" |
| 2006 | 40°F | 33°F | 0.51" | 0" |
| 2005 | 36°F | 24°F | 0" | 0" |
| 2004 | 45°F | 32°F | 3.43" | 1.4" |
| 2003 | 41°F | 32°F | 1.68" | 1" |
| 2002 | 38°F | 26°F | 0.08" | 0" |
| 2001 | 22°F | 11°F | 0.05" | 1.2" |
| 2000 | 39°F | 35°F | 1.02" | 0" |
| 1999 | 32°F | 11°F | 0.03" | 0.5" |
| 1998 | 25°F | 13°F | 0" | 0" |
| 1997 | 38°F | 32°F | 0.13" | 0.5" |
| 1996 | 40°F | 37°F | 0.18" | 0" |
| 1995 | 39°F | 31°F | 1.47" | 0.6" |
| 1994 | 43°F | 35°F | 0.66" | 0" |
| 1993 | 45°F | 39°F | 0.38" | 0" |
| 1992 | 25°F | 14°F | 0.58" | 3.4" |
| 1991 | 36°F | 30°F | 1.63" | 6.1" |
| 1990 | 11°F | 1°F | 0" | 0" |
| 1989 | 35°F | 32°F | 0.46" | 0.4" |
| 1988 | 34°F | 25°F | 0" | 0" |
| 1987 | 38°F | 34°F | 0.23" | 0.3" |
| 1986 | 34°F | 31°F | 0" | 0" |
| 1985 | 44°F | 34°F | 4.47" | 0" |
| 1984 | 34°F | 25°F | 0.66" | 2.5" |
| 1983 | 15°F | 1°F | 0" | 0" |
| 1982 | 28°F | 18°F | 0" | 0" |
| 1981 | 43°F | 29°F | 1.32" | 0" |
| 1980 | 12°F | 2°F | 0" | 0" |
| 1979 | 41°F | 26°F | 0.79" | 0" |
| 1978 | 35°F | 19°F | 0.48" | 4.2" |
| 1977 | 31°F | 22°F | 0.08" | 0.8" |
| 1976 | 30°F | 15°F | 0" | 0" |
| 1975 | 41°F | 34°F | 2.51" | 0" |
| 1974 | 35°F | 31°F | 1.02" | 1" |
| 1973 | 41°F | 31°F | 0.15" | 0.1" |
| 1972 | 25°F | 21°F | 0" | 0.1" |
| 1971 | 39°F | 32°F | 0.08" | 0" |